Production of Axions by Cosmic Magnetic Helicity Export

@article{Campanelli:2005jw, abstract = {We investigate the effects of an external magnetic helicity production on the evolution of the cosmic axion field. It is shown that a helicity larger than (few \times 10^{-15} G)^2 Mpc, if produced at temperatures above a few GeV, is in contradiction with the existence of the axion, since it would produce too much of an axion relic abundance.}, archivePrefix = {arXiv}, author = {Campanelli, L. and Giannotti, M.}, citeulike-article-id = {6108132}, citeulike-linkout-0 = {http://arxiv.org/abs/astro-ph/0512458}, citeulike-linkout-1 = {http://arxiv.org/pdf/astro-ph/0512458}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.96.161302}, day = {5}, doi = {10.1103/PhysRevLett.96.161302}, eprint = {astro-ph/0512458}, keywords = {axion, cosmology, helicity, magnetic-fields}, month = {Apr}, posted-at = {2009-11-13 09:58:20}, priority = {2}, title = {Production of Axions by Cosmic Magnetic Helicity}, url = {http://dx.doi.org/10.1103/PhysRevLett.96.161302}, year = {2006} }

TY - JOUR ID - Campanelli:2005jw L3 - citeulike-article-id:6108132 N2 - We investigate the effects of an external magnetic helicity production on the evolution of the cosmic axion field. It is shown that a helicity larger than (few \times 10^{-15} G)^2 Mpc, if produced at temperatures above a few GeV, is in contradiction with the existence of the axion, since it would produce too much of an axion relic abundance. TI - Production of Axions by Cosmic Magnetic Helicity KW - axion KW - cosmology KW - helicity KW - magnetic-fields AU - Campanelli, L AU - Giannotti, M PY - 2006/Apr/05/ UR - http://dx.doi.org/10.1103/PhysRevLett.96.161302 ER -